Finding the Fourth Proportional to 13,848.61, 19,111.40 and 7,561.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,848.61 : 19,111.40 = 7,561.03 : x
2. Step 2: Convert to fraction form
   13,848.61/19,111.40 = 7,561.03/x
3. Step 3: Cross multiply
   13,848.61x = 19,111.40 × 7,561.03
4. Step 4: Simplify right side
   13,848.61x = 144,501,792.09
5. Step 5: Solve for x
   x = 144,501,792.09/13,848.61
6. Step 6: Final answer
   x = 10,434.39